Cigarette lighter



FIG. 1 is a perspective view of a cigarette lighter according to my new design;

FIG. 2 is a right side view of the lighter of FIG. 1 (the left side view being a mirror image thereof);

FIG. 3 is a front view of the lighter of FIG. 1;

FIG. 4 is a rear view of the lighter of FIG. 1;

FIG. 5 is a bottom view of the lighter of FIG. 1; and,

FIG. 6 is a top view of the lighter of FIG. 1.

The broken lines are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

The ornamental design for a cigarette lighter, as shown and described. 